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553414681 = 859764373
BaseRepresentation
bin100000111111000…
…111000000011001
31102120100101020001
4200333013000121
52113133232211
6130525333001
716466642611
oct4077070031
91376311201
10553414681
1126442a706
12135407161
138a867811
14536dba41
15338b9ac1
hex20fc7019

553414681 has 4 divisors (see below), whose sum is σ = 553487652. Its totient is φ = 553341712.

The previous prime is 553414657. The next prime is 553414703. The reversal of 553414681 is 186414355.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 419225625 + 134189056 = 20475^2 + 11584^2 .

It is a cyclic number.

It is not a de Polignac number, because 553414681 - 27 = 553414553 is a prime.

It is a super-4 number, since 4×5534146814 (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 553414681.

It is not an unprimeable number, because it can be changed into a prime (553414621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23590 + ... + 40783.

It is an arithmetic number, because the mean of its divisors is an integer number (138371913).

Almost surely, 2553414681 is an apocalyptic number.

It is an amenable number.

553414681 is a deficient number, since it is larger than the sum of its proper divisors (72971).

553414681 is an equidigital number, since it uses as much as digits as its factorization.

553414681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72970.

The product of its digits is 57600, while the sum is 37.

The square root of 553414681 is about 23524.7673952369. The cubic root of 553414681 is about 821.0133619766.

The spelling of 553414681 in words is "five hundred fifty-three million, four hundred fourteen thousand, six hundred eighty-one".

Divisors: 1 8597 64373 553414681